| /* This program tests the parseHTTPdate routine in ../main/util_date.c. |
| * |
| * It is only semiautomated in that I would run it, modify the code to |
| * use a different algorithm or seed, recompile and run again, etc. |
| * Obviously it should use an argument for that, but I never got around |
| * to changing the implementation. |
| * |
| * gcc -g -O2 -I../main -o test_date ../main/util_date.o test_date.c |
| * test_date | egrep '^No ' |
| * |
| * Roy Fielding, 1996 |
| */ |
| #define AP_DECLARE(x) x |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "util_date.h" |
| |
| static const long year2secs[] = { |
| 0L, /* 1970 */ |
| 31536000L, /* 1971 */ |
| 63072000L, /* 1972 */ |
| 94694400L, /* 1973 */ |
| 126230400L, /* 1974 */ |
| 157766400L, /* 1975 */ |
| 189302400L, /* 1976 */ |
| 220924800L, /* 1977 */ |
| 252460800L, /* 1978 */ |
| 283996800L, /* 1979 */ |
| 315532800L, /* 1980 */ |
| 347155200L, /* 1981 */ |
| 378691200L, /* 1982 */ |
| 410227200L, /* 1983 */ |
| 441763200L, /* 1984 */ |
| 473385600L, /* 1985 */ |
| 504921600L, /* 1986 */ |
| 536457600L, /* 1987 */ |
| 567993600L, /* 1988 */ |
| 599616000L, /* 1989 */ |
| 631152000L, /* 1990 */ |
| 662688000L, /* 1991 */ |
| 694224000L, /* 1992 */ |
| 725846400L, /* 1993 */ |
| 757382400L, /* 1994 */ |
| 788918400L, /* 1995 */ |
| 820454400L, /* 1996 */ |
| 852076800L, /* 1997 */ |
| 883612800L, /* 1998 */ |
| 915148800L, /* 1999 */ |
| 946684800L, /* 2000 */ |
| 978307200L, /* 2001 */ |
| 1009843200L, /* 2002 */ |
| 1041379200L, /* 2003 */ |
| 1072915200L, /* 2004 */ |
| 1104537600L, /* 2005 */ |
| 1136073600L, /* 2006 */ |
| 1167609600L, /* 2007 */ |
| 1199145600L, /* 2008 */ |
| 1230768000L, /* 2009 */ |
| 1262304000L, /* 2010 */ |
| 1293840000L, /* 2011 */ |
| 1325376000L, /* 2012 */ |
| 1356998400L, /* 2013 */ |
| 1388534400L, /* 2014 */ |
| 1420070400L, /* 2015 */ |
| 1451606400L, /* 2016 */ |
| 1483228800L, /* 2017 */ |
| 1514764800L, /* 2018 */ |
| 1546300800L, /* 2019 */ |
| 1577836800L, /* 2020 */ |
| 1609459200L, /* 2021 */ |
| 1640995200L, /* 2022 */ |
| 1672531200L, /* 2023 */ |
| 1704067200L, /* 2024 */ |
| 1735689600L, /* 2025 */ |
| 1767225600L, /* 2026 */ |
| 1798761600L, /* 2027 */ |
| 1830297600L, /* 2028 */ |
| 1861920000L, /* 2029 */ |
| 1893456000L, /* 2030 */ |
| 1924992000L, /* 2031 */ |
| 1956528000L, /* 2032 */ |
| 1988150400L, /* 2033 */ |
| 2019686400L, /* 2034 */ |
| 2051222400L, /* 2035 */ |
| 2082758400L, /* 2036 */ |
| 2114380800L, /* 2037 */ |
| 2145916800L /* 2038 */ |
| }; |
| |
| const char month_snames[12][4] = { |
| "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec" |
| }; |
| |
| void gm_timestr_822(char *ts, time_t sec) |
| { |
| static const char *const days[7]= |
| {"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; |
| struct tm *tms; |
| |
| tms = gmtime(&sec); |
| |
| sprintf(ts, "%s, %.2d %s %d %.2d:%.2d:%.2d GMT", days[tms->tm_wday], |
| tms->tm_mday, month_snames[tms->tm_mon], tms->tm_year + 1900, |
| tms->tm_hour, tms->tm_min, tms->tm_sec); |
| } |
| |
| void gm_timestr_850(char *ts, time_t sec) |
| { |
| static const char *const days[7]= |
| {"Sunday","Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; |
| struct tm *tms; |
| int year; |
| |
| tms = gmtime(&sec); |
| |
| year = tms->tm_year; |
| if (year >= 100) year -= 100; |
| |
| sprintf(ts, "%s, %.2d-%s-%.2d %.2d:%.2d:%.2d GMT", days[tms->tm_wday], |
| tms->tm_mday, month_snames[tms->tm_mon], year, |
| tms->tm_hour, tms->tm_min, tms->tm_sec); |
| } |
| |
| void gm_timestr_ccc(char *ts, time_t sec) |
| { |
| static const char *const days[7]= |
| {"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; |
| struct tm *tms; |
| |
| tms = gmtime(&sec); |
| |
| sprintf(ts, "%s %s %2d %.2d:%.2d:%.2d %d", days[tms->tm_wday], |
| month_snames[tms->tm_mon], tms->tm_mday, |
| tms->tm_hour, tms->tm_min, tms->tm_sec, tms->tm_year + 1900); |
| } |
| |
| int main (void) |
| { |
| int year, i; |
| time_t guess; |
| time_t offset = 0; |
| /* time_t offset = 0; */ |
| /* time_t offset = ((31 + 28) * 24 * 3600) - 1; */ |
| time_t secstodate, newsecs; |
| char datestr[50]; |
| |
| for (year = 1970; year < 2038; ++year) { |
| secstodate = (time_t)year2secs[year - 1970] + offset; |
| gm_timestr_822(datestr, secstodate); |
| newsecs = parseHTTPdate(datestr); |
| if (secstodate == newsecs) |
| printf("Yes %4d %11ld %s\n", year, (long)secstodate, datestr); |
| else if (newsecs == BAD_DATE) |
| printf("No %4d %11ld %11ld %s\n", year, (long)secstodate, |
| (long)newsecs, datestr); |
| else |
| printf("No* %4d %11ld %11ld %s\n", year, (long)secstodate, |
| (long)newsecs, datestr); |
| } |
| |
| srand48(978245L); |
| |
| for (i = 0; i < 10000; ++i) { |
| guess = (time_t)mrand48(); |
| if (guess < 0) guess *= -1; |
| secstodate = guess + offset; |
| gm_timestr_822(datestr, secstodate); |
| newsecs = parseHTTPdate(datestr); |
| if (secstodate == newsecs) |
| printf("Yes %11ld %s\n", (long)secstodate, datestr); |
| else if (newsecs == BAD_DATE) |
| printf("No %11ld %11ld %s\n", (long)secstodate, |
| (long)newsecs, datestr); |
| else |
| printf("No* %11ld %11ld %s\n", (long)secstodate, |
| (long)newsecs, datestr); |
| } |
| exit(0); |
| } |